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65-2643RK-05-04 M2A Transmitter Operator’s Manual
10. Press and release the UP/YES button to enter Calibration Mode. Normally, you must hold the UP/YES
button for 5 seconds to enter Calibration Mode, but since a calibration is required, only a momentary push is
needed to enter Calibration Mode after changing the gas type.
11. See “Calibration” on page 36 for calibration instructions.
NOTE:
When calibrating an M2A after changing the gas type, the M2A will not ask if you want to calibrate,
or whether you want to perform a fresh air adjustment zero adjustment. Since a complete calibration
is required, the calibration sequence will proceed without asking if you want to perform certain
operations.
